Four Seasons Engine Auxiliary Water Pump P/N:89066
Four Seasons 89042 auxiliary water pump for the 2005-2009 Audi A8 Quattro W12 6.0L and other vehicles is an electric coolant pump that moves coolant through the engine's cooling circuit.
A coolant leak at the pump, a temperature warning or noise from the pump can mean it is worn, though a blown fuse or a faulty wiring connector can be behind the same signs, so find the cause before replacing it.
This is a direct-fit replacement for the 2005-2009 Audi A8 Quattro W12 6.0L and the 2004-2005 Audi Allroad Quattro V8 4.2L, and it meets or exceeds OEM standard. This listing is one pump, which is all these cars take.
Fit and size
Build and materials
Interchange: 078121601A · 5W4007 · 820041 · 902094 · 1802570 · 299042 · W99042 · 831067 · PE1685 · V10160005
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This part cross-references / interchanges with the following part numbers:
Is the Four Seasons 89042 right for the 2005-2009 Audi A8 Quattro W12 6.0L?
Yes. The Four Seasons 89042 is a direct-fit replacement for the 2005-2009 Audi A8 Quattro W12 6.0L and also for the 2004-2005 Audi Allroad Quattro V8 4.2L.
Is the engine auxiliary water pump electric or belt-driven?
Electric. The Four Seasons 89042 connects through two terminal pins.
What size is the inlet on this auxiliary water pump?
The inlet diameter is 0.78 in. The pump measures 4.25 in in overall depth and 2.50 in in length.
Can a coolant leak at the auxiliary pump mean it needs replacing?
Yes, a leak at the pump or its connection can mean the pump is worn. Have the cooling system inspected promptly, since an overheating engine can be damaged.
Does this pump come with a gasket or O-ring?
A gasket or O-ring is included where the design calls for one, so the pump seals properly. The listing is one pump.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.